Two former Parramatta Eels players are accused of harbouring semi-automatic weapons and possessing more than half-a-million dollars in cash after dramatic arrests in Sydney's Centennial Park yesterday.

Labor demand PM reveal Heydon pay

In a letter to Mr Abbott on Sunday, opposition employment spokesman Brendan O'Connor said the public had a right to know the taxpayer-funded salary of Mr Heydon.

He said the opposition had "serious concerns" about the government's failure to publicly account for Mr Heydon's salary, accusing the government of frustrating public scrutiny by claiming the matter was "commercial in confidence".